plzzz helppp, stepsss plz, will mark brainlest find the measure of angle a, plzz dont ignore

10a^3+277a^2-132a-792

step-by-step explanation:

(2a+11)(5a-12)(foil)

=10a^2-24a+55a-132 =10a^2+31a-132

(10a^2+31a-132)(a+6)

=10a^3+60a^2+31a^2+186a^2-132a-792 =10a^3+277a^2-132a-792

i hope this is what you are looking for : )

maybe showing the graph would

step-by-step explanation:

-387129 iq

if x = 1, then the answer is 3.5